TheTopeak DA G features a larger barrel providing more air volume for MTB riders. Large integrated 1-1/8" diameter easy-to-read analog gauge provides the perfect inflation every time. Dual-Action (DA) doubles volume with each stroke and inflates tires up to pressure fast. Integrated dust cap keeps pump head clean and thumb lock lever insures air-tight seal. Features: Dual-Action Technology Delivers air on the push and pull stroke Large integrated 1-1/8" diameter easy-to-read analog gauge Side mount bracket included Specs: Includes Mount BracketYes Length25.3mm PSI60PSI Includes GaugeYes ColorBlack Valve CompatibilityPresta and Schrader Compressed Gas InflatorNo Defined ColorBlack Weight152g